TY - GEN AU - Claveria,L E AU - Calne,D B AU - Allen,J G TI - "On-off" phenomena related to high plasma levodopa SN - 0007-1447 PY - 1973///0904 KW - Aged KW - Cognition Disorders KW - chemically induced KW - Dihydroxyphenylalanine KW - adverse effects KW - Facial Paralysis KW - Female KW - Humans KW - Intestinal Absorption KW - Parkinson Disease KW - drug therapy KW - Speech Disorders N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/bmj.2.5867.641 ER -